Kalendar Perlumbaan Litar Zolder 2021
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 30 April - 30 April | Kelas Porsche RS Selesai | Round 2 | |
| 30 April - 30 April | Piala Porsche GT Selesai | Round 2 | |
| 30 April - 30 April | Piala Boxster Porsche Selesai | Round 2 | |
| 30 April - 30 April | Piala Porsche 944 Selesai | Round 2 | |
| 8 Mei - 9 Mei | Cabaran Porsche Sprint Benelux Selesai | Round 1 | New Race Festival |
| 8 Mei - 9 Mei | Trofi Ketahanan Porsche Benelux Selesai | Round 1 | New Race Festival |
| 6 Ogos - 8 Ogos | Piala Porsche Carrera Benelux Selesai | Round 4 | |
| 6 Ogos - 8 Ogos | Sarjana Kereta Pelancongan Jerman Selesai | Round 3 | |
| 6 Ogos - 8 Ogos | Piala Lotus Eropah Selesai | Round 2 | |
| 21 Ogos - 22 Ogos | Trofi Ketahanan Porsche Benelux Selesai | Round 3 | Historic Grand Prix Zolder |
| 23 September - 26 September | Trofi Ketahanan Porsche Benelux Selesai | Round 4 | 24 Hours of Zolder |
| 8 Oktober - 10 Oktober | Trofi Ketahanan Porsche Benelux Selesai | Round 5 | American Festival NASCAR Finals |